•Durable, scratch-resistant buttons •4 programmable function keys •Long-life lithium batteries included •Full 3-second delay on panic alarm to reduce false alarms •Multifunction belt clip included •Reliable 433 MHz technology •Optional generic rubber insert included •Water resistant •Approval Listings: European CE Directives (EMC, R&TTE, LVD), INCERT (Belgium), NCP (Holland), IMQ (Italy) •Livello 1, SBSC (Sweden) Larmklass R, EN50131-3, EN50131-6, Grade 2, Class II Environment, CERT (Tunisia), •ICASA (South Africa), FCC/IC, UL/ULC •4-Button Wireless Key WS4939 •Durable, scratch-resistant buttons •4 programmable function keys •Long-life lithium batteries included •Full 3-second delay on panic alarm to reduce false alarms •Multifunction belt clip included •Reliable 433 MHz technology •Optional generic rubber insert included •Water resistant